
Electrical Specifications
A-4 COPYRIGHT © 2005 MICROSCAN SYSTEMS
Appendix B — Electrical Specifications
PIN 1 VIN- Input Voltage to the voltage regulators/battery
charging IC
PIN 2 RS232_TX - RS-232 level serial transmit signal
PIN 3 RS232_RX - RS-232 level serial receive signal
PIN 4 PS2_DATA_UART_RX_USB_DP - PS2 clk to host/ UART
transmit signal/ USB Data plus signal
PIN 5 PS2_DATA_UART_RX_USB_DM - PS2 data to host or
keyboard/ UART receive signal/ USB Data minus signal
PIN 6 PS2_CLK_KB - PS2 clock signal to the keyboard
PIN 7 ~TRIG - trigger from the handle
PIN 8 GND - signal ground
Shield Shield Ground
1
2
3
4
5
6
7
8
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